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Internet Explorer P3P header issue

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Updated on November 15, 2021

Anticipate and prevent the P3P header issue in Internet Explorer so that your mashup displays on a web page as intended.


Your mashup does not display on a web page when using Internet Explorer.


Some Internet Explorer patch versions block cookies from third-party domains.


  • To prevent this issue, add the header {"P3P":'CP:"ALL"'}to the http/responseheader dynamic system setting.

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